Re: [PATCH net-next] fq_codel: remove set but not used variables 'prev_ecn_mark' and 'prev_drop_count'

[David Miller]

From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 08 Aug 2019 22:31:36 -0700 (PDT)

> From: YueHaibing <yuehaibing@xxxxxxxxxx>
> Date: Wed, 7 Aug 2019 21:10:55 +0800
> 
>> Fixes gcc '-Wunused-but-set-variable' warning:
>> 
>> net/sched/sch_fq_codel.c: In function fq_codel_dequeue:
>> net/sched/sch_fq_codel.c:288:23: warning: variable prev_ecn_mark set but not used [-Wunused-but-set-variable]
>> net/sched/sch_fq_codel.c:288:6: warning: variable prev_drop_count set but not used [-Wunused-but-set-variable]
>> 
>> They are not used since commit 77ddaff218fc ("fq_codel: Kill
>> useless per-flow dropped statistic")
>> 
>> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> 
> Do you even compile test this stuff?
> 
>   CC [M]  net/sched/sch_fq_codel.o
> net/sched/sch_fq_codel.c: In function ʽfq_codel_dequeueʼ:
> net/sched/sch_fq_codel.c:309:42: error: ʽprev_drop_countʼ undeclared (first use in this function); did you mean ʽpage_ref_countʼ?

Never mind, this is my fault.

I was build testing the patch on the wrong tree, I'm very sorry.